[ https://issues.apache.org/jira/browse/HADOOP-12056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
zhihai xu updated HADOOP-12056: ------------------------------- Attachment: HADOOP-12056.000.patch > DiskChecker#checkDirs should check null pointer for the return value from > File#listFiles to avoid NPE. > ------------------------------------------------------------------------------------------------------ > > Key: HADOOP-12056 > URL: https://issues.apache.org/jira/browse/HADOOP-12056 > Project: Hadoop Common > Issue Type: Bug > Components: util > Affects Versions: 2.7.0 > Reporter: zhihai xu > Assignee: zhihai xu > Attachments: HADOOP-12056.000.patch > > > DiskChecker#checkDirs should check null pointer for the return value from > File#listFiles. Based on the document for File#listFiles at > https://docs.oracle.com/javase/7/docs/api/java/io/File.html#listFiles() : > {code} > Returns null if an I/O error occurs. > {code} > So it will be good to check null pointer and throw DiskErrorException if it > is null. -- This message was sent by Atlassian JIRA (v6.3.4#6332)